pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.6	OCHEM	1	0	C[NH+](CC#CCN1CCCC1=O)CCBr	CN(CC#CCN1CCCC1=O)CCBr	mol16099	CN(CC#CCN1CCCC1=O)CCBr